Solar System Structure
Physics ⇒ Earth and Space Physics
Solar System Structure starts at 6 and continues till grade 12.
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See sample questions for grade 12
Describe the heliocentric model of the Solar System.
Describe the main components of the Solar System other than the Sun and planets.
Describe the main differences between terrestrial and Jovian planets.
Explain the difference between an asteroid and a comet.
Explain why Pluto is no longer classified as a major planet.
Name the four terrestrial planets in the Solar System.
Which planet has the highest average surface temperature in the Solar System?
Context: A spacecraft is launched from Earth and travels directly outward from the Sun. As it passes the orbit of Mars, it encounters a region with a high density of small rocky bodies.
Question: Identify this region and explain its significance in the structure of the Solar System.
Which of the following best describes the Kuiper Belt?
(1) A region of icy bodies beyond Neptune
(2) A ring of asteroids between Earth and Mars
(3) The area of space between the Sun and Mercury
(4) The region containing the Oort Cloud
Which of the following best describes the Oort Cloud?
(1) A region of icy bodies beyond the Kuiper Belt
(2) The main asteroid belt
(3) The region between Mars and Jupiter
(4) The Sun's corona
Which of the following is NOT a criterion for a celestial body to be classified as a planet according to the International Astronomical Union (IAU)?
(1) It orbits the Sun
(2) It has sufficient mass for a nearly round shape
(3) It has cleared its orbit of other debris
(4) It has at least one moon
Which of the following is the correct definition of an astronomical unit (AU)?
(1) The distance from the Earth to the Moon
(2) The average distance from the Earth to the Sun
(3) The distance from the Sun to Neptune
(4) The diameter of the Sun
Fill in the blank: The largest planet in the Solar System is __________.
Fill in the blank: The planet with the greatest number of known moons is __________.
Fill in the blank: The planet with the shortest orbital period around the Sun is __________.
Fill in the blank: The region of the Solar System where most short-period comets originate is called the __________.
True or False: All planets in the Solar System orbit the Sun in the same direction.
True or False: Dwarf planets are only found in the Kuiper Belt.
True or False: The asteroid belt is located between the orbits of Mars and Jupiter.
True or False: The Oort Cloud is believed to be the source of long-period comets.
